FORMATION OF Mountains

Back to: PRIMARY SEVEN P7 SOCIAL STUDIES SST TOPICAL QUESTION AND ANSWERS

formation of Mountains
✓ A mountain is a very high raised piece of land.
✓ A mountain is the highest physical feature.
Qn. Give three types of mountains in Africa
✓ Block Mountains
✓ Volcanic mountains
✓ Fold Mountains
Block Mountains
Qn. What are Block Mountains?
✓ These are mountains which were formed by faulting
Note: Block Mountains are also called Horst Mountains.

Qn. How were Block Mountains formed?
✓ By faulting.
Qn. What is faulting?
✓ Faulting is the breaking of rocks of the earth’s crust.

Qn. Name the highest block mountain in Africa.
✓ Mount Rwenzori
Qn. Give two forces that led to the formation of Block Mountains.
✓ Tensional force
✓ Compressional force (The teacher should explain to learners).
Qn. Apart from Block Mountains, name other physical features that were formed by faulting.
✓ Rift valley
✓ Escarpments
State any three importance of faulting.
✓ It led to formation of block Mountains.
✓ It led formation of escarpments.
✓ It led to formation of rift valley.
Volcanic Mountains
What are volcanic mountains?
✓ Volcanic mountains are mountains which were formed by volcanicity.
What is volcanicity?
✓ Volcanicity is the process by which molten rocks (magma) are forced to the earth’s surface from underground through vent.
Mention three types of volcanoes/volcanic mountains.
✓ Active volcanoes
✓ Dormant volcanoes
✓ Extinct volcanoes